Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 89,879	$ 88,818
Accounts receivable, net	208,358	195,225
Inventories, net	87,221	77,082
Prepaid expenses and other current assets	21,128	15,343
Total current assets	406,586	376,468
Property, plant and equipment, net	86,704	85,734
Goodwill	86,034	80,804
Other intangible assets, net	71,603	73,071
Investments in associated companies	25,690	22,817
Non-current deferred tax assets	15,460	24,382
Other assets	30,049	28,752
Total assets	722,126	692,028
Current liabilities
Short-term borrowings and current portion of long-term debt	5,736	707
Accounts payable	93,008	77,583
Dividends payable	4,724	4,581
Accrued compensation	22,846	19,356
Accrued Restructuring	0	670
Other current liabilities	27,321	23,428
Total current liabilities	154,743	127,411
Long-term debt	61,068	65,769
Non-current deferred tax liabilities	9,653	12,008
Other non-current liabilities	51,496	35,886
Total liabilities	312,508	279,422
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Common stock $1 par value; authorized 30,000,000 shares; issued and outstanding 2017 - 13,307,976 shares; 2016 - 13,277,832 shares	13,308	13,278
Capital in excess of par value	93,528	112,475
Retained earnings	365,936	364,414
Accumulated Other Comprehensive Loss	(65,100)	(87,407)
Total Quaker shareholders equity	407,672	402,760
Noncontrolling interest	1,946	9,846
Total equity	409,618	412,606
Total liabilities and equity	$ 722,126	$ 692,028

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.